[单选题]How can a Ezonexam administrator determine if a router has been configured when it is first powered up?
正确答案 :C
An un configured router goes into the setup dialog
解析:解析:Explanation:
[单选题]关于PPP和HDLC的说法中,错误的是()
正确答案 :D
在配置ISDN时,广域网协议不能封装成PPP,但可以封装成HDLC
[单选题]路由器当前的模式为“端口模式”,要退回到“特权模式”,应该使用的快捷键为()
正确答案 :B
ctrl+z
[单选题]The Ezonexam network administrator has just issued the "switchport trunk native vlan 998" command on switch VE2. What is the function of this command?
正确答案 :B
It designates VLAN 998 for untagged traffic
[单选题]IP扩展访问列表的数字标示范围是多少()。
正确答案 :C
100-199
[单选题]IP地址为:192.168.50.70,掩码为:255.255.255.248,则该IP和掩码结合,共划分了多少个子网(不包括全0子网和全1子网)()
正确答案 :B
30
[单选题]When is a switched network that is running the Spanning Tree Protocol considered to be fully converged?
正确答案 :D
when every operating switch port is in either the blocking or forwarding state
解析:解析:Explanation:
[单选题]SMTP工作在OSI哪一层()
正确答案 :D
应用层
[单选题]OSI七层模型中,“段”是哪一层数据封装的名称()
正确答案 :D
传输层
[单选题]在地址转换中,()用来规定哪些数据包需要进行地址转换
正确答案 :B
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